Device description, 8 electrical data – KROHNE H250 M40 NEPSI Ex d-Ex t User Manual
Page 11

DEVICE DESCRIPTION
2
11
H250 M40
www.krohne.com
06/2013 - 4002868601 MA H250-M40-NEPSI-Ex-d-R01-
2.8 Electrical data
Electrical equipment
Rated voltage
Nominal current
Limit switches K1 / K2 OC Output
10 - 30 VDC
≤100 mA
Limit switches K1 / K2 NAMUR Output
5- 25 VDC
≤1 / ≥3 mA
Reed contacts R1 / R2
0 - 32 VDC
≤100 mA
Signal output ESK4
14 - 32 VDC
4...20mA with HART
®
communication
Switching output ESK4-T OC output
8 - 32 VDC
1...100 mA
Switching output ESK4-T NAMUR output
8 VDC
≤1 / ≥3 mA
Signal input ESK4-T input
8 - 32 VDC
≤2 mA
ESK4-FF Foundation Fieldbus transmitter
1
9 - 32 VDC
16 mA
ESK4-PA Profibus transmitter
2
9 - 32 VDC
16 mA
1 Further information and instructions for operation of the ESK4-FF transmitter are provided in separate supplementary
instructions.
2 Further information and instructions for operation of the ESK4-PA Profibus transmitter are provided in separate sup-
plementary instructions.
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